A-type star · white star

HR 3840

233 lybrightness mag 5.44A2/A3V

Also catalogued as HD 83520 · HIP 47204

8,685 K

temperature

5.44

apparent magnitude

29.70× ☉

luminosity vs Sun

A2/A3V

spectral type

Distance & comparison with our Sun

233 years

at light speed from Earth

1.50×

as hot as the Sun

29.70×

the Sun's light output

1.17

absolute magnitude

Explore from here · roam the neighborhood

HR 3840A-type

Sky regionVelathis direction

Nearest stars

HR 3803 →15 ly apart
HR 3863 →18 ly apart
HR 3831 →20 ly apart
HR 3856 →32 ly apart
HR 3976 →33 ly apart
HR 3732 →34 ly apart

Bright stars in Vela

Gam2Vel →mag 1.8
Alsephina →mag 1.9
Suhail →mag 2.2
Markeb →mag 2.5
Mu Vel →mag 2.7
Phi Vel →mag 3.5
Psi Vel →mag 3.6
Kalausi →mag 8.2

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.4To see it no equipment neededLook toward Vela

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.